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  • some novice questions about VPS

    - by Camran
    I have ordered a VPS today, and I am still setting it up. I have some Q though: Also, I have just installed apache, php and mysql. 1- I don't understand which folder my website should be in. Is it the 'www' folder or the htdocs folder I should upload my site to? Because they are in entirely different directories. 2- How do I even upload files? FTP program? How do I install one, and which one? Thanks

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  • Use both OpenVPN & eth0 together

    - by shadyabhi
    I connect to a VPN using openVPN. Now, after the connection is established, all my traffic goes through tun0. My LAN gateway is 10.100.98.4... So, for apps to use my direct internet connnection I did sudo route add default gw 10.100.98.4 But, I cant use tun0 now. I know this because curl --interface tun0 google.com doesnt give me anything.. How do I go about using both connections simultaneously. How can I achieve that? ROUTING TABLES:- Without VPN running:- Destination Gateway Genmask Flags Metric Ref Use Iface 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.100.98.4 0.0.0.0 UG 0 0 0 eth0 With VPN:- Destination Gateway Genmask Flags Metric Ref Use Iface 10.10.0.1 10.10.54.230 255.255.255.255 UGH 0 0 0 tun0 10.10.54.230 * 255.255.255.255 UH 0 0 0 tun0 free-vpn.torvpn 10.100.98.4 255.255.255.255 UGH 0 0 0 eth0 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.10.54.230 0.0.0.0 UG 0 0 0 tun0 After the route command- Destination Gateway Genmask Flags Metric Ref Use Iface 10.10.0.1 10.10.54.230 255.255.255.255 UGH 0 0 0 tun0 10.10.54.230 * 255.255.255.255 UH 0 0 0 tun0 free-vpn.torvpn 10.100.98.4 255.255.255.255 UGH 0 0 0 eth0 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.100.98.4 0.0.0.0 UG 0 0 0 eth0 default 10.10.54.230 0.0.0.0 UG 0 0 0 tun0

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  • Setting Keyboard Shortcuts in Ubuntu

    - by joemangrove
    Is it possible to do the following in Ubuntu? If so can someone point me in the right direction. Say you want to set a keyboard shortcut to do the following: For examples sake, set Alt+F to open Firefox and maximize it, but only if Firefox is not already running. If it is running and not maximized, then maximize the most recently touched Firefox window. If it is maximized, then minimize Firefox. Thanks, Joe

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  • Sending a file to uCLinux

    - by Mike
    I have a board running uClinux, and I need to send a file to it, but I'm not sure how... I have a RS232 port, and Ethernet port with an IP address at my disposal, I can telnet to the board, but uCLinux doesn't have a built in FTP client. What sort of options do I have here for transferring files from my Windows 7 (or OpenSUSE) machine(s) to this board? EDIT I just found I have a TFTP server on it: # tftp BusyBox v0.60.5 (2012.07.09-14:05+0000) multi-call binary Usage: tftp [OPTION]... HOST [PORT] But I can't find any good information on how to use TFTP. And looking around google I'm seeing it's good for loading binary images, so I'm assume anything could be sent, but I'm not sure.

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  • Steps to install solely ubuntu 13.04 on Dell inspiron 14z ultrabook with SSD+HDD

    - by rishy
    I have tried a few things like disabling the Intel smart response, choosing AHCI in BIOS. But there are certain problems I am still facing. I can't see my SSD during the installation of ubuntu (I am planning to install Ubuntu on my SSD and other files on HDD). When I run Ubuntu my laptop gets overheated and battery backup reduces to 90 minutes. (I guess it's related to my graphic driver ATI Raedon HD 7570). Cooling fan seems to run at its fullest, it was working much better in windows. So, overall I wanted to know what are the exact steps I need to follow to install Ubuntu on my SSD and then use my HDD to keep other files, How can I get rid of overheating and battery backup problem?

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  • iptables rule on INPUT between 2 ethernet cards on the same host

    - by user1495181
    I have 2 eth cards on the same host. Both connected directly with LAN cable. I set eth0 with ip - 192.168.1.2 I set eth1 with ip - 192.168.1.1 I set this rule: iptables -A INPUT -p tcp -j NFQUEUE --queue-num 0 There are no other rules. (I ran iptables -X,-F) I send TCP syn packet ( with c++ program by using raw socket) from 192.168.1.2 to 192.168.1.1 In wireshark i see that the packet received on eth0, but the iptables rule (above) dosnt apply for this packet. when i sent the packet to remote host and apply this rule on the remote host than it work correct. So, i guess that this is due to the fact that both eth cards exists the same host. . I need to create iptables INPUT rule for local eth card (dest and src on the same machine ). I need it for simplify test. Did i guess the problem correct? is there a way to bypass this? Ps - connected them via switch didn't help. the rule wasn't applied. Run on Ubuntu. TCDUMP show the packet: 10:48:42.365002 IP 192.168.1.2.38550 > 192.168.1.1.34298: Flags [S], seq 0, win 5840, length 0 but logging of iptables like this, has nothing: iptables -A INPUT -p tcp -j LOG --log-prefix '*****************' iptables -A OUTPUT -p tcp -j LOG --log-prefix '#################'

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  • I want to access internet on ubuntu 12.04.1 guest system from windows 7 64bit host in virtualbox 4.1.18 How to do so?

    - by Rohit
    I am using Windows 7 64bit as host system and i have installed ubuntu 12.04.1 in virtual box as stated above. I have a dsl connection which works well on my host system and now I need to access the same connection on my guest ubuntu. I cant see any such settings in ubuntu. I am total biginner and dont know anything about linux. Win 7 is showing unknown network. Please guide me from the scratch. Thank you.

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  • Monitor status while using VNC

    - by kumar
    So after connecting to a vnc server via vnc viewer to my desktop (remotely), Is it possible to know whether the monitor connected to the CPU is switched ON or not. Simply put, from command prompt how do you know whether monitor is ON/OFF from command line. Here, Basically I am bit worried about privacy as my monitor can be viewed by anyone while accessed remotely. Any solution? Obviously there is a option to switch off the monitor while starting the vnc server at remote side but I am looking for a better solution to control monitor(possible??) remotely. Thanks!

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  • What OpenSource iSCSI appliances/apps support windows clusters?

    - by Jimsmithkka
    I have been wanting to experiment with Windows clustering systems in my spare time, so I need a free, preferably open source, iSCSI Target that can support 2k3 and 2k8 fail-over and possibly High availability clustering. I have tried the ubuntu iscsi target package in a vmware environment, but it fails at the 2k8 tests. In simple terms I want to build a "Poor man's San" for windows and have it be able to do more than just be drives.

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  • Ubuntu X doesn't start

    - by den-javamaniac
    I'm running desktop Ubuntu 9.10 on my Dell laptop. Previously it was Ubuntu 9.04. After some period of time (lets say 3-4 months) my X fails to start automatically after some restart calls. If that takes place my network manager applet doesn't start either (after I do startx). Can any one point out what I'm missing/what's the problem?

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  • How to know my wireless card has injection enabled?

    - by shrimpy
    I am playing around with aircrack. And was trying to see whether my wireless card on my laptop can pass the injection test And I end up seeing the following... does it mean my wireless card is not able to run aircrack? root@myubuntu:/home/myubuntu# iwconfig lo no wireless extensions. eth0 no wireless extensions. eth1 IEEE 802.11bg ESSID:"" Nickname:"" Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated Bit Rate:54 Mb/s Tx-Power:24 dBm Retry min limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=5/5 Signal level=0 dBm Noise level=-57 dBm Rx invalid nwid:0 Rx invalid crypt:781 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 root@myubuntu:/home/myubuntu# aireplay-ng -9 eth1 ioctl(SIOCSIWMODE) failed: Invalid argument ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211, ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make sure RFMON is enabled: run 'airmon-ng start eth1 <#>' Sysfs injection support was not found either. root@myubuntu:/home/myubuntu#

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  • virsh console and tty size

    - by pehrs
    I have a virtualization server to which I connect over ssh. If I now change the size of the window it will automatically propagate to the server. It's most easily seen using stty -a, checking the columns and row values. I then use virsh console to connect to the serial interface on a KVM based virtual machine. When I now change the size of the window it does not propagate to the virtual server. This is most easily seen by checking stty -a, which is not updated on the virtual machine when I change window size. This means that line breaks does not work correctly in the terminal and any application that relies on window size for formatting (emacs, man, etc) gets messed up unless the window size on the client matches the default size on the server. A workaround is to manually set the window size to match the client window using stty, but I wonder if there is any way to get this information to propagate and set the window size in the virtual machine automatically.

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  • Change to different user, or let different user execute a command

    - by WG-
    I have a problem. There is a server which I can access with an account by ssh, lets say WG. Now there is a folder with the following permissions. drwxr-s---+ 855 vvz www-data 20K Aug 21 17:56 pictures I want to copy this folder using rsync, however since I am not the user www-data but WG I cannot execute rsync. So I want www-data to execute a rsync command. However, I do not posses sudo powers. My friend however tells me that I am actually able to execute the rsync command as www-data, but he will not tell me how. I asked him for some clues and he told me that it had something to do with reverse shell (which I figured out to be that you connect by ssh to your server and then you connect back to your own server, or something). I also asked if it was by-design or actually a flaw in the system. He tells me it is both. Furthermore I think it has something to do with the group permissions. If I just make sure that I am with the group permissions then I can also read the files. Anybody has a clue?

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  • mount qcow2 snapshots

    - by phhe
    I'm running some Xen-servers and started migrating to KVM. Currently my guests are either running on raw-images or LVMs. I found libvirt providing some very nice snapshot features (virsh snapshot-create, ...) so I decided to use qcow2 instead of raw/lvm. And here is my question: libvirt creates the same sort of snapshots on the qcow2 image as if I use qemu-img - is it possible to mount them ? I read something about qemu-nbd and the possibility of mounting qcow but I could not find a word about snapshots.

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  • HOw to deny a particular mac address client not to obtain ip/name from dhcp & dns server..

    - by Deepak Narwal
    Hello Friends... I configures DHCP server on my rhel 5.4 machine.Clients are getting ip from this DHCP server.NO problem upto this.. NOw i want that a particular mac address client do not pick ip from this dhcp server.. Same question is with my DNS server. I want that a particular mac address client do not pick name from this dns server.. PLz discuss in little bit details i am very new in this field.I am learning these things.I hope YOu will give detailed explaiantion.. Thanks IN ADvance friends..

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  • XenServer 5.6.1-fp1. Can't get network working

    - by casey_miller
    I have a PC where XenServer 5.6.1 fp-1 has been successfully installed. I've manually set the network settings: 192.168.1.50 255.255.255.0 192.168.1.1 but it's set to xenbr0 iface. While eth0 is empty. When I click on "Configure Management Inteface" it shows that eth0 is connected. But when I ping a default gateway (which is 100% should be accessible) it fails. I used to another shell (Alt+F3) and logged as root. I also failed to ping. with both: ping -I eth0 192.168.1.1 and ping -I xenbr0 192.168.1.1 Be assured that: Cable works Ethernet adapter is 100% functional (prev OS was Ubuntu it was working) There is no firewall rule to deny anything. (everything is allowed) So the question is: What is a problem???

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  • Why is 'grep -i' so slow? How to do it faster for ASCII?

    - by Vi.
    Consider: $ time lzop -d < tvtropes-index.lzo | egrep -B 5 '[Dd][eE][sS][cC][eE][nN][dD] ?[Ff][rR][oO][mM]' real 0m0.438s $ time lzop -d < tvtropes-index.lzo | egrep -B 5 'descend ?from' -i real 0m11.294s Both search case insensitively. Why is the -i version so slow? How do I make grep -i fast without entering things like [iI][nN] [tT][hH][iI][sS] [wW][aA][Yy]? For example, perl -ne 'print if /descend ?from/i' works fast, but '-B 5' is not as trivial to implement as in grep (as well as other options).

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  • Best Practice: Migrating Email Boxes (maildir format)

    - by GruffTech
    So here's the situation. I've got about 20,000 maildir email accounts chewing up a several hundred GB of space on our email server. Maildir by nature keeps thousands of tiny a** little files, instead of one .mbox file or the like... So i need to migrate all of these several millions of files from one server to the other, for both space and life-cycle reasons. the conventional methods i would use all work just fine. rsync is the option that comes immediately to mind, however i wanted to see if there are any other "better" options out there. Rsync not handling multi-threaded transfers in this situation sucks because it never actually gets up to speed and saturates my network connection, because of this the transfer from one server to another will take hours beyond hours, when it shouldn't really take more then one or two. I know this is highly opinionated and subjective and will therefore be marked community wiki.

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  • Configure New Server for .htaccess

    - by Phil T
    I have a new LAMP CENTOS 5 server I am setting up and trying to copy the configuration from another web server I have. I am stuck with what I think is a mod_rewrite problem. If I go to http://old-server.com/any_page_name.php it correctly routes through some handling code in index.php and shows me a graceful "Page Cannot Be Displayed" message. But if I go to http://new-server.com/any_page_name.php I get an ugly Apache 404 Not Found error message. I looked in both httpd.conf files and they both have only one reference to mod_rewrite. LoadModule rewrite_module modules/mod_rewrite.so So it seems like that should be fine. At the bottom of httpd.conf I have the code: <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /var/www/html ServerName new-server.com ErrorLog logs/new-server.com-error_log CustomLog logs/new-server.com-access_log common </VirtualHost> Then in the root of /var/www/html I have the exact same .htaccess file that looks like this: RewriteEngine on Options +FollowSymlinks RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . index.php [L] ErrorDocument 404 /page-unavailable/ <files ~ "\.tpl$"> order deny,allow allow from none deny from all </files> So I don't see why the page load at old-server.com works fine while new-server.com doesn't route through index.php like I want it to do. Thanks.

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  • Wireless driver activation issue in Compaq c700 in Ubuntu 9.04

    - by Fazil
    I am using Ubuntu 9.04, I cant access my wireless driver, I activate the madwifi in administrationhardware drivers, but I could'nt activated the wireless too. when I type lspci I get the following message, ################################################## # 00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f4) 00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 04) 00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 04) 01:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01) 02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) ################################################## but when I tried in Windows I found that the driver for my laptop is ################################################ atheros AR5007 802.11b/g WiFi Adapter ################################################ so what can I do for solving this problem.

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  • Force ID of user created by apt-get

    - by Bart van Heukelom
    Context: I'm automatically installing postgresql-9.1 on an Ubuntu server with apt-get. This creates the required postgres user. The Postgres data is on an external volume that survives reinstalls. This data is obviously owned by the postgres user. The problem I'm having is that the ownership is not recorded under the name postgres, but under the UID that postgres had at creation time. When the server is reinstalled, postgres sometimes gets a different UID, and no longer owns the data directory, and thus does not work. Question: Can I force the UID of the user postgres created by apt-get to something fixed? Or is there another way to solve my problem? (As you may have deduced, this is on Amazon EC2 with the data on an EBS volume)

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  • Is there a chroot build script somewhere?

    - by Nils
    I am about to develop a little script to gather information for a chroot-jail. In my case this looks (at the first glance) pretty simple: The application has a clean rpm-install and did install almost all files into a sub-directory of /opt. My idea is: Do a find of all binaries Check their library-dependencies Record the results into a list Do a rsync of that list into the chroot-target-directory before startup of the application Now I wonder - ist there any script around that already does such a job (perl/bash/python)? So far I found only specialized solutions for single applications (like sftp-chroot). Update I see three close-votes for the reason "off topic". This is a question that arose because I have to install that ancient piece of software on a server at work. So if you still feel this is off-topic - leave a comment...

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  • forbidden access on addon domains

    - by ehmad11
    I have one domain hosted on server domain.com, there are about 20 subdomains as addon domains there. For no good reason someone has changed (chgrp) on all files in domain.com directory to domain.com user now all websites are showing 403 forbidden access error. What should i do now to resume websites. I have tried changing php handler but no luck yet :/ php5 handler is suphp and Apache suEXEC is on....

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  • Recurring Apache 2.0.52 error on CentOS 4 - 'could not create `rewrite_log_lock`'

    - by warren
    I have been seeing a recurring issue on my web server: [Sun May 16 03:10:19 2010] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock Configuration Failed [Sun May 16 04:10:05 2010] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock Configuration Failed [Sun May 16 05:10:04 2010] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock Configuration Failed [Sun May 16 05:17:13 2010] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock Configuration Failed So far, the only fix I have found to this when it happens is to reboot my server. This is non-ideal :-\ Restarting httpd does not clear the error. df indicates I have 20+ gigs free, and top and free both report 800+ megs (or 1.2 gigs) > df -h Filesystem Size Used Avail Use% Mounted on /dev/simfs 40G 18G 23G 44% / # > free total used free shared buffers cached Mem: 1474560 300832 1173728 0 0 0 -/+ buffers/cache: 300832 1173728 Any ideas on why this would recur, and how to prevent/fix it?

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